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#include <QtTest/QtTest>

#include <QtCore/qlocale.h>

#include <qaudiodeviceinfo.h>

#include <QStringList>

#include <QList>

class tst_QAudioDeviceInfo : public QObject

{

    Q_OBJECT

public:

    tst_QAudioDeviceInfo(QObject* parent=0) : QObject(parent) {}

private slots:

    void initTestCase();

    void checkAvailableDefaultInput();

    void checkAvailableDefaultOutput();

    void outputList();

    void codecs();

    void channels();

    void sampleSizes();

    void byteOrders();

    void sampleTypes();

    void frequencies();

    void isformat();

    void preferred();

    void nearest();

private:

    bool              available;

    QAudioDeviceInfo* device;

};

void tst_QAudioDeviceInfo::initTestCase()

{

    // Only perform tests if audio output device exists!

    QList<QAudioDeviceInfo> devices = QAudioDeviceInfo::deviceList(QAudio::AudioOutput);

    if(devices.size() > 0)

        available = true;

    else {

        qWarning()<<"NOTE: no audio output device found, no test will be performed";

        available = false;

    }

}

void tst_QAudioDeviceInfo::checkAvailableDefaultInput()

{

    // Only perform tests if audio input device exists!

    bool storeAvailable = available;

    QList<QAudioDeviceInfo> devices = QAudioDeviceInfo::deviceList(QAudio::AudioInput);

    if(devices.size() > 0)

        available = true;

    else {

        qWarning()<<"NOTE: no audio input device found, no test will be performed";

        available = false;

    }

    if(available)

        QVERIFY(!QAudioDeviceInfo::defaultInputDevice().isNull());

    available = storeAvailable;

}

void tst_QAudioDeviceInfo::checkAvailableDefaultOutput()

{

    if(available)

        QVERIFY(!QAudioDeviceInfo::defaultOutputDevice().isNull());

}

void tst_QAudioDeviceInfo::outputList()

{

    if(available) {

        QList<QAudioDeviceInfo> devices = QAudioDeviceInfo::deviceList(QAudio::AudioOutput);

        QVERIFY(devices.size() > 0);

        device = new QAudioDeviceInfo(devices.at(0));

    }

}

void tst_QAudioDeviceInfo::codecs()

{

    if(available) {

        QStringList avail = device->supportedCodecs();

        QVERIFY(avail.size() > 0);

    }

}

void tst_QAudioDeviceInfo::channels()

{

    if(available) {

        QList<int> avail = device->supportedChannels();

        QVERIFY(avail.size() > 0);

    }

}

void tst_QAudioDeviceInfo::sampleSizes()

{

    if(available) {

        QList<int> avail = device->supportedSampleSizes();

        QVERIFY(avail.size() > 0);

    }

}

void tst_QAudioDeviceInfo::byteOrders()

{

    if(available) {

        QList<QAudioFormat::Endian> avail = device->supportedByteOrders();

        QVERIFY(avail.size() > 0);

    }

}

void tst_QAudioDeviceInfo::sampleTypes()

{

    if(available) {

        QList<QAudioFormat::SampleType> avail = device->supportedSampleTypes();

        QVERIFY(avail.size() > 0);

    }

}

void tst_QAudioDeviceInfo::frequencies()

{

    if(available) {

        QList<int> avail = device->supportedFrequencies();

        QVERIFY(avail.size() > 0);

    }

}

void tst_QAudioDeviceInfo::isformat()

{

    if(available) {

        QAudioFormat     format;

        format.setFrequency(44100);

        format.setChannels(2);

        format.setSampleType(QAudioFormat::SignedInt);

        format.setByteOrder(QAudioFormat::LittleEndian);

        format.setSampleSize(16);

        format.setCodec("audio/pcm");

        // Should always be true for these format

        QVERIFY(device->isFormatSupported(format));

    }

}

void tst_QAudioDeviceInfo::preferred()

{

    if(available) {

        QAudioFormat format = device->preferredFormat();

        QVERIFY(format.frequency() == 44100);

        QVERIFY(format.channels() == 2);

    }

}

void tst_QAudioDeviceInfo::nearest()

{

    if(available) {

        QAudioFormat format1, format2;

        format1.setFrequency(8000);

        format2 = device->nearestFormat(format1);

        QVERIFY(format2.frequency() == 44100);

    }

}

QTEST_MAIN(tst_QAudioDeviceInfo)

#include "tst_qaudiodeviceinfo.moc"